Sun Tech Heating & Cooling

Sun Tech Heating & Cooling operates out of El Paso, Texas as the HVAC division of Suntech Mechanical, Inc. They handle heating and cooling work across the greater El Paso area for both homes and commercial buildings. Their crews manage roof top units, chillers, air distribution systems, and older residential furnaces that need steady upkeep in the local climate. The company also covers related mechanical work like hydronic piping and duct fabrication when jobs require it. Homeowners in the region call them for routine service on equipment that has run for decades in the dry heat and sudden temperature swings common here.

Technicians show up when promised and stay until the system runs right. One crew member named Boston lined up parts ahead of time, answered questions directly, and completed a same-day repair after two other outfits had failed to solve the problem. Another visit involved a full inspection of a twenty-year-old furnace where the tech explained every step without pushing extra work. Customers have seen them handle clogged lines and faucet swaps too when those issues tie into the mechanical side, always arriving prepared and finishing without delays or added costs.

Work quality earns steady marks at nine out of ten because repairs hold up and old equipment keeps going after the visit. Communication sits at eight out of ten since techs call ahead with arrival windows and explain findings in plain terms. Homeowners note the crews stay friendly, stick to the schedule, and leave everything working without follow-up calls. DIRT Score 5.0 from 2085 reviews on Finds.

DIRT Score = confidence-weighted rating across verified review platforms. How is this calculated? →

“I had a great experience with Suntech Heat & Air from start to finish. The technician arrived on time, was professional, and took the time to thoroughly inspect and explain everything about my system in a way that was easy to understand. I really appreciated the honesty—no pressure, no upselling, just clear recommendations and solid service. It’s not always easy to find companies you can trust with your home, but these guys definitely earned it. My system is running great, and I feel confident everything is in good shape. I’ll absolutely be using them again and would highly recommend them to anyone looking for reliable, top-notch HVAC service.”

“I am very impressed with SunTech. I have done business with Hunter, Heat and Air for years due to the quality of their work. When they stopped servicing my area, I was really bummed. But they recommend SunTech who they are merged with in my area. When they showed up to service my 20+ year old furnace, I was pleasantly surprised to see a tech, David, I was familiar with from Hunter. Like in the past, David was extremely thorough and very kind. I tried his best to make sure my unit was working at its best. We eventually talked and he had Dustin (?) send me a quote. I never felt pressured to buy a new unit (I needed one) and they went above and beyond to answer all my questions. Yesterday Jake and Billy came out to install my new unit. They were there practically the whole day install my new AC and furnace, while dismantling the Frankenstein that was my old unit. When they left, both my garage and my driveway were spotless. I can tell you how impressed I am with the service!”

“Did a great job on a timely manner on time for a very reasonable price. Will use again if I need a plumber. Update: We needed to replace a kitchen faucet. Because of our experience over Memorial Day weekend with the clogged toilet, I called them for this job. I requested a brushed stainless two-handle faucet (the exact replacement I’d picked). They arrived with a chrome single-handle model instead. They also missed two appointment times, delaying the job several days. The install itself took about 40 minutes, with no plumbing problems or leaks discovered (straight replacement). Overall cost was $670 including a ~$70 faucet, which I felt excessive given the simple job and the mistakes. Because of the prior experience, I trusted them with this faucet replacement, but the wrong faucet, missed appointments and excessive pricing made the experience disappointing. I called the manager to address the wrong faucet and late/ missed appointments; I didn’t feel the concerns were meaningfully resolved and the explanation was mostly general overhead. I wouldn’t use them again.”

“Boston was very straight forward with answering my questions. Had issues with 2 other companies. He called with arrival time and made sure he was able to have all parts needed for repair, fixed the same day and stayed around to insure everything was working properly. Very friendly and professional. We will be purchasing a new ac unit from you guys in the future. Thank you so much!!!! Thank you Boston.”

“I had a plumbing issue recently and **Xavier from SunTech went above and beyond to help resolve it. He not only worked through a complicated situation, but also coordinated with city employees to make sure we were getting to the root of the problem. It was truly an extraordinary display of customer service — the kind you don’t see often. He was thorough, patient, and clearly committed to doing things the right way instead of rushing to a quick fix. I’ve used SunTech for heating and air for years, but this was my first experience with their plumbing services, and I was really impressed. I will absolutely be requesting Xavier for any future plumbing needs.”